Home / 48,288,046.60-72,432,069.90-12,386,254.60

Finding the Fourth Proportional to 48,288,046.60, 72,432,069.90 and 12,386,254.60

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Solution

The fourth proportional to 48,288,046.60, 72,432,069.90 and 12,386,254.60 is: 18,579,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,288,046.60 : 72,432,069.90 = 12,386,254.60 : x
  2. Step 2: Convert to fraction form
    48,288,046.60/72,432,069.90 = 12,386,254.60/x
  3. Step 3: Cross multiply
    48,288,046.60x = 72,432,069.90 × 12,386,254.60
  4. Step 4: Simplify right side
    48,288,046.60x = 897,162,058,986,396.62
  5. Step 5: Solve for x
    x = 897,162,058,986,396.62/48,288,046.60
  6. Step 6: Final answer
    x = 18,579,381.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.